Since there hasn't been a response and I was unable to find additional information I will provide an update so others may be able to identify this problem or better yet, avoid it altogether.

After trying different remedies with different plants in each of the environments without success, I am 99% certain that this is a TMV outbreak. All of the veg plants and mothers have been moved into the flowering room and the veg box (2x4x4) has been sanitized then repainted.

The mothers were cloned as I have found in the past that ph or nutrient issues present in mothers quickly improve for the cuttings (water clones in this case) and the condition has progressed in the clones at a steady pace. They will be tossed if they look the same or worse after rooting in 3 more days or so.

The problems have been the same for all of the plants, both in the rather humid, low ventilation, low light (240w flouro), mother/clone box (2x4x4) and the light humidity, high ventilation, 1000w flowering area (3x8x8). Different fertilizer strategies were tried with selected plants without success over the past week. Some were flushed, others were lightly fertilized, some were given increased dosages or alternate fertilizers all with PH ranging from 6.2 to 6.8. Tested runoff and soil ph with optimal results.

The consistent symptoms I have observed are a gradual mottling on the lower fan leaves with a lumpy necrosis spreading from the tip and edges back towards the leaf stem bending the leaf downward. The tips turn black and the necrosis seems to spread more quickly in higher temperatures. The condition spreads up the plant from the bottom. Other less consistent symptoms are misshapen new growth, leaves bending backwards, one leaf affected at a time, and slightly different shades of necrosis depending on strain and growing conditions. The duration from the nicotine spray (10/09) to appearance of symptoms was 1-2 days.

The speed in which it progresses makes it so that mothers can probably be kept alive and cloned for quite some time but the vegged clones will not survive through flowering. Large plants already flowering at the time of infection may not make it more than 4 weeks before the fan leaves are all gone and it starts eating the buds if they aren't dead already.

Attached are some pics of the clones, some of the same leaves or plants from the first set of pics, and the overcrowded flowering area. The flowering area shows a mix of big bud, white widow max, and shiva skunk (i think) in different stages of flowering from a day to three weeks.

This has been a learning experience and I hope this information helps others who encounter the same issues. Never use a nicotine spray for spider mites would be my advice. No Pest strips will eliminate the problem and if you don't do pesticides then biological controls or soaps would be more effective and natural anyway. I should have consulted more sources before using a tobacco mixture and had I been aware of the absolute necessity of boiling or even known more about mosaic virus in cannabis, I never would have tried it.